class Person:
    def __init__(self, name, dept='研发', p_email='', p_idCard=''):
        self.name = name
        self.dept = dept
        self.email = p_email
        self.idCard = p_idCard

zs = Person('张三','人事')
print(zs.dept)   
ls = Person('李四')
print(ls.dept)

print(dir(Person))